breathing difficulty with heavyness in chest while waking up almost everyday

[Altaf89]

Hello Everyone, from last four month i am having breathing difficulty with heavyness in chest while wakingup almost everyday, i went to the doctors many times and after all the investigations like ECG, Chest Xray, blood tests etc doctor ging me medications for gastritis. But even after taking madications i am not feeling gud. is there anyone having the same problem as me.?? need help and suggestion from you all.